Fish-bone Cassia vs Laysan Duck

Chamaecrista mimosoides compared with Anas laysanensis

Key Differences

• Fish-bone Cassia is Least Concern while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Fish-bone Cassia	Laysan Duck
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Magnoliopsida (Dicots)	Aves (Birds)
Order	Fabales (Legumes & Allies)	Anseriformes (Anseriformes)
Family	Fabaceae	Anatidae
Genus	Chamaecrista	Anas
Species	Chamaecrista mimosoides	Anas laysanensis

Conservation Status

Fish-bone Cassia

LC — Least Concern

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Fish-bone Cassia	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fish-bone Cassia

Habitat

Inhabits tropical and subtropical moist broadleaf forests and montane grasslands and shrublands spanning the Australasia and Indomalayan and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Comoros, Guinea, Madagascar), Asia (4 countries), and Oceania and the Pacific (6 countries).

Laysan Duck

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, France, Netherlands, Norway, and United Kingdom. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Laysan Duck

Laysan Duck (Anas laysanensis) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.